ard [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, June 08, 2004 3:35 PM
> To: Vadim Ogranovich
> Cc: R-Help
> Subject: Re: [R] fast mkChar
>
> "Vadim Ogranovich" <[EMAIL PROTECTED]> writes:
>
> > I am no expert in memory management in R so it's hard
On Wednesday 09 of June 2004 09:52, you wrote:
> This is my first message to the list and I believe the question
> I am including is a simple one.
http://www.r-project.org/posting-guide.html
--
Matej Cepl, http://www.ceplovi.cz/matej
GPG Finger: 89EF 4BC6 288A BF43 1BAB 25C3 E09F EF25 D964 84AC
On 09 Jun 2004 09:52:27 -0400, Paulo Nuin <[EMAIL PROTECTED]> wrote :
>Hello everyone
>
>This is my first message to the list and I believe the question I am
>including is a simple one.
>
>I have a matrix where I need to calculate ANOVA for the rows as the
>columns represent a different treatment.
Hello everyone
This is my first message to the list and I believe the question I am
including is a simple one.
I have a matrix where I need to calculate ANOVA for the rows as the
columns represent a different treatment. I would like to know if there
is a command or a series of commans that I can
"Vadim Ogranovich" <[EMAIL PROTECTED]> writes:
> I am no expert in memory management in R so it's hard for me to tell
> what is and what is not doable. From reading the code of allocVector()
> in memory.c I think that the critical part is to vectorize
> CLASS_GET_FREE_NODE and use the vectorized v
08, 2004 1:23 PM
> To: Vadim Ogranovich
> Cc: R-Help
> Subject: Re: [R] fast mkChar
>
> "Vadim Ogranovich" <[EMAIL PROTECTED]> writes:
>
> > Hi,
> >
> > To speed up reading of large (few million lines) CSV files I am
> > writing custom
On Tue, 8 Jun 2004 12:23:58 -0700, "Vadim Ogranovich"
<[EMAIL PROTECTED]> wrote :
>Hi,
>
>To speed up reading of large (few million lines) CSV files I am writing
>custom read functions (in C). By timing various approaches I figured out
>that one of the bottlenecks in reading character fields is t
"Vadim Ogranovich" <[EMAIL PROTECTED]> writes:
> Hi,
>
> To speed up reading of large (few million lines) CSV files I am writing
> custom read functions (in C). By timing various approaches I figured out
> that one of the bottlenecks in reading character fields is the mkChar()
> function which o
Hi,
To speed up reading of large (few million lines) CSV files I am writing
custom read functions (in C). By timing various approaches I figured out
that one of the bottlenecks in reading character fields is the mkChar()
function which on each call incurs a lot of garbage-collection-related
overh